12356240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^2$

素因数の和:244

約数の個数: 60

約数和(自身を含む): 31224564

約数和(自身を除く): 18868324

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 109, 130, 208, 218, 260, 436, 520, 545, 872, 1040, 1090, 1417, 1744, 2180, 2834, 4360, 5668, 7085, 8720, 11336, 11881, 14170, 22672, 23762, 28340, 47524, 56680, 59405, 95048, 113360, 118810, 154453, 190096, 237620, 308906, 475240, 617812, 772265, 950480, 1235624, 1544530, 2471248, 3089060, 6178120, 12356240]

約数ペア:

[(1, 12356240), (2, 6178120), (4, 3089060), (5, 2471248), (8, 1544530), (10, 1235624), (13, 950480), (16, 772265), (20, 617812), (26, 475240), (40, 308906), (52, 237620), (65, 190096), (80, 154453), (104, 118810), (109, 113360), (130, 95048), (208, 59405), (218, 56680), (260, 47524), (436, 28340), (520, 23762), (545, 22672), (872, 14170), (1040, 11881), (1090, 11336), (1417, 8720), (1744, 7085), (2180, 5668), (2834, 4360)]